cling to vs nestle

cling to is not a noun while nestle is a noun.

Word	Noun	Adjective	Verb	Adverb
cling to	No	No	Yes	No
nestle	Yes	No	Yes	No

As verbs, nestle is a hyponym of cling to; that is, nestle is a word with a more specific, narrower meaning than cling to:

Other hyponyms of cling to include cuddle, draw close, nest, nuzzle, snuggle.

cling to (noun)	nestle (noun)
	a close and affectionate (and often prolonged) embrace

cling to (verb)	nestle (verb)
hold firmly, usually with one's hands	move or arrange oneself in a comfortable and cozy position
	position comfortably
	lie in a sheltered position